Research Article

A Novel Probabilistic Fatigue Life Prediction Method for Welded Structures Based on gPC

Table 6

The fatigue life test data of a 45 # steel welded butt joint under multistage variable amplitude load.

Group IDExperimental value of fatigue life (load block)Predicted value of fatigue life (load block)
Modified Manson–Halford modelModified Corten–Dolan model

13.7179.391813.8566
25.189
36.729
47.452
57.943
612.151